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add a short delay after stopping nfslock to make it less likely that

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"weird" things happen

(This used to be ctdb commit 4934c083cbcc19714094e08a0b7da1fb6fdc8a5a)
This commit is contained in:
Ronnie Sahlberg 2007-09-07 12:14:53 +10:00
parent 68c37f9b41
commit eb7a15730e
1 changed files with 9 additions and 6 deletions
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15
ctdb/config/statd-callout
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@ -43,12 +43,6 @@ case "$1" in
# a clusterwide grace period (so other clients dont take out
# conflicting locks through other nodes before all locks have been
# reclaimed)
# we must also let some time pass between stopping and restarting the
# lockmanager since othervise there is a window where the lockmanager
# will respond "strangely" immediately after restarting it, which
# causes clients to fail to reclaim the locks.
#
service nfslock stop > /dev/null 2>&1
# we need these settings to make sure that no tcp connections survive
# across a very fast failover/failback
@ -62,6 +56,7 @@ case "$1" in
rm -f /var/lib/nfs/statd/sm.bak/*
cat $STATD_SHARED_DIRECTORY/state >/var/lib/nfs/statd/state
# we must keep a monotonically increasing state variable for the entire
# cluster so state always increases when ip addresses fail from one
# node to another
@ -83,6 +78,14 @@ case "$1" in
# service nfs stop > /dev/null 2>&1
# service nfs start > /dev/null 2>&1
# we must also let some time pass between stopping and restarting the
# lockmanager since othervise there is a window where the lockmanager
# will respond "strangely" immediately after restarting it, which
# causes clients to fail to reclaim the locks.
#
service nfslock stop > /dev/null 2>&1
sleep 2
# copy all monitored clients on this node to the local lockmanager
for f in `/bin/ls /etc/ctdb/state/statd/ip/* 2>/dev/null`; do
ip=`/bin/basename $f`